<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserInfo">一键登录</button>
		<view class="tips-text">登陆后尽享更多权益</view>
	</view>
</template>

<script>
	import {
		mapMutations,
		mapState
	} from 'vuex'
	export default {
		name: "my-login",
		data() {
			return {

			};
		},
		methods: {
			...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),
			getUserInfo() { //	获得用户信息
				uni.getUserProfile({
					desc: '登录',
					lang: 'zh_CN',
					success: (res) => {
						this.updateUserInfo(res.userInfo)
						this.getToken(res)
					},
					fail() {
						return uni.$showMsg('您取消了登录授权')
					}
				})
			},
			async getToken(info) { //	获得用户token
				const [err, res] = await uni.login({}).catch(err => err)
				if (err || res.errMsg !== "login:ok") {
					return uni.$showMsg('登陆失败')
				}
				const query = {
					encryptedData: info.encryptedData,
					rawData: info.rawData,
					iv: info.iv,
					signature: info.signature,
					code: res.code,
				}
				// uni.$http.baseUrl = 'https://api-ugo-web.itheima.net/api/public/v1/users/wxlogin'
				const result = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				if (result.statusCode !== 200) {
					return uni.$showMsg('登陆失败')
				}
				uni.$showMsg('登陆成功')
				this.updateToken('Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo')
				this.navigateBack()
			},
			navigateBack() { //	从登录页面返回购物车页面
				if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
					uni.switchTab({
						url: this.redirectInfo.from,
						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		},
		computed: {
			...mapState('m_user', ['redirectInfo'])
		}
	}
</script>

<style lang="scss">
	.login-container {
		height: 750rpx;
		background-color: #f8f8f8;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		position: relative;
		overflow: hidden;

		&::after {
			content: ' ';
			display: block;
			width: 100%;
			height: 40px;
			background-color: white;
			position: absolute;
			bottom: 0;
			left: 0;
			border-radius: 100%;
			transform: translateY(50%);
		}

		.btn-login {
			width: 90%;
			border-radius: 100px;
			margin: 15px 0;
			background-color: #c00000;
		}

		.tips-text {
			font-size: 12px;
			color: gray;
		}
	}
</style>
